EXTRA-TROPICAL  STORM  SURGE
N A T I O N A L    O C E A N I C    A N D    A T M O S P H E R I C    A D M I N I S T R A T I O N

  • This website is considered EXPERIMENTAL, is supported on an 8x5 basis, and has no guarantee of availability.
  • The data located HERE are considered OPERATIONAL and are supported on a 24x7 basis.
About
Manual
Disclaimer
Manual
Datum
hat-on
mhhw-on
msl-on
mllw-on
Regions
Northeast
Mid-Atlantic
Southeast
Gulf
Northwest
Alaska
Gulf of Alaska
Status
Stations
Surge List
#Seward, AK : 11/17/2025 04:21:07 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
11/15 12Z,   1.60,   2.45,   2.56,  99.90,  -1.49,
11/15 13Z,   1.60,   2.40,   2.47,  99.90,  -1.53,  (min)
11/15 14Z,   1.60,   3.19,   3.33,  99.90,  -1.46,
11/15 15Z,   1.50,   4.70,   4.77,  99.90,  -1.43,
11/15 16Z,   1.50,   6.59,   6.53,  99.90,  -1.56,
11/15 17Z,   1.40,   8.38,   8.37,  99.90,  -1.41,
11/15 18Z,   1.60,   9.66,   9.62,  99.90,  -1.64,
11/15 19Z,   1.50,  10.16,   9.88,  99.90,  -1.78,  (max)
11/15 20Z,   1.50,   9.76,   9.42,  99.90,  -1.84,
11/15 21Z,   1.50,   8.49,   8.21,  99.90,  -1.78,
11/15 22Z,   1.50,   6.62,   6.33,  99.90,  -1.79,
11/15 23Z,   1.50,   4.64,   4.31,  99.90,  -1.83,
11/16 00Z,   1.40,   3.02,   2.80,  99.90,  -1.62,
11/16 01Z,   1.30,   2.10,   1.81,  99.90,  -1.59,
11/16 02Z,   1.20,   2.05,   1.74,  99.90,  -1.51,  (min)
11/16 03Z,   1.20,   2.89,   2.60,  99.90,  -1.49,
11/16 04Z,   1.20,   4.38,   4.02,  99.90,  -1.56,
11/16 05Z,   1.10,   6.08,   5.68,  99.90,  -1.50,
11/16 06Z,   1.10,   7.52,   7.16,  99.90,  -1.46,
11/16 07Z,   1.10,   8.37,   7.97,  99.90,  -1.50,
11/16 08Z,   1.00,   8.43,   8.10,  99.90,  -1.33,  (max)
11/16 09Z,   1.00,   7.68,   7.27,  99.90,  -1.41,
11/16 10Z,   1.20,   6.30,   5.93,  99.90,  -1.57,
11/16 11Z,   1.00,   4.70,   4.49,  99.90,  -1.21,
11/16 12Z,   1.00,   3.37,   3.19,  99.90,  -1.18,
11/16 13Z,   1.00,   2.69,   2.45,  99.90,  -1.24,  (min)
11/16 14Z,   0.90,   2.87,   2.53,  99.90,  -1.24,
11/16 15Z,   0.70,   3.93,   3.71,  99.90,  -0.92,
11/16 16Z,   1.10,   5.67,   5.49,  99.90,  -1.28,
11/16 17Z,   0.90,   7.66,   7.46,  99.90,  -1.10,
11/16 18Z,   1.00,   9.39,   9.09,  99.90,  -1.30,
11/16 19Z,   1.00,  10.44,  10.18,  99.90,  -1.26,
11/16 20Z,   1.10,  10.56,  10.23,  99.90,  -1.43,  (max)
11/16 21Z,   1.10,   9.69,   9.24,  99.90,  -1.55,
11/16 22Z,   1.10,   7.95,   7.58,  99.90,  -1.47,
11/16 23Z,   1.10,   5.71,   5.41,  99.90,  -1.40,
11/17 00Z,   1.20,   3.51,   3.31,  99.90,  -1.40,
11/17 01Z,   1.30,   1.86,   1.62,  99.90,  -1.54,
11/17 02Z,   1.20,   1.10,   0.90,  99.90,  -1.40,  (min)
11/17 03Z,   1.20,   1.38,   1.24,  99.90,  -1.34,
11/17 04Z,   1.20,   2.60,   2.44,  99.90,  -1.36,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
11/17 05Z,   1.20,   4.44,  99.90,   4.28,  -1.36,
11/17 06Z,   1.30,   6.37,  99.90,   6.31,  -1.36,
11/17 07Z,   1.20,   7.89,  99.90,   7.73,  -1.36,
11/17 08Z,   1.40,   8.68,  99.90,   8.72,  -1.36,  (max)
11/17 09Z,   1.20,   8.60,  99.90,   8.44,  -1.36,
11/17 10Z,   1.20,   7.68,  99.90,   7.52,  -1.36,
11/17 11Z,   1.20,   6.18,  99.90,   6.02,  -1.36,
11/17 12Z,   1.30,   4.58,  99.90,   4.52,  -1.36,
11/17 13Z,   1.30,   3.39,  99.90,   3.33,  -1.36,
11/17 14Z,   1.30,   2.99,  99.90,   2.93,  -1.36,  (min)
11/17 15Z,   1.30,   3.51,  99.90,   3.45,  -1.36,
11/17 16Z,   1.30,   4.90,  99.90,   4.84,  -1.36,
11/17 17Z,   1.30,   6.86,  99.90,   6.80,  -1.36,
11/17 18Z,   1.40,   8.86,  99.90,   8.91,  -1.36,
11/17 19Z,   1.60,  10.38,  99.90,  10.62,  -1.36,
11/17 20Z,   1.60,  11.01,  99.90,  11.26,  -1.36,  (max)
11/17 21Z,   1.60,  10.62,  99.90,  10.86,  -1.36,
11/17 22Z,   1.60,   9.20,  99.90,   9.44,  -1.36,
11/17 23Z,   1.50,   6.99,  99.90,   7.13,  -1.36,
11/18 00Z,   1.40,   4.47,  99.90,   4.51,  -1.36,
11/18 01Z,   1.40,   2.22,  99.90,   2.27,  -1.36,
11/18 02Z,   1.30,   0.77,  99.90,   0.71,  -1.36,
11/18 03Z,   1.30,   0.39,  99.90,   0.33,  -1.36,  (min)
11/18 04Z,   1.30,   1.13,  99.90,   1.07,  -1.36,
11/18 05Z,   1.20,   2.80,  99.90,   2.64,  -1.36,
11/18 06Z,   1.20,   4.94,  99.90,   4.78,  -1.36,
11/18 07Z,   1.00,   6.97,  99.90,   6.61,  -1.36,
11/18 08Z,   1.00,   8.40,  99.90,   8.05,  -1.36,
11/18 09Z,   1.00,   8.98,  99.90,   8.62,  -1.36,  (max)
11/18 10Z,   1.00,   8.63,  99.90,   8.27,  -1.36,
11/18 11Z,   1.00,   7.48,  99.90,   7.12,  -1.36,
11/18 12Z,   0.90,   5.87,  99.90,   5.41,  -1.36,
11/18 13Z,   1.00,   4.35,  99.90,   4.00,  -1.36,
11/18 14Z,   1.00,   3.43,  99.90,   3.07,  -1.36,
11/18 15Z,   0.90,   3.41,  99.90,   2.95,  -1.36,  (min)
11/18 16Z,   0.70,   4.34,  99.90,   3.68,  -1.36,
11/18 17Z,   1.00,   6.06,  99.90,   5.70,  -1.36,
11/18 18Z,   1.10,   8.14,  99.90,   7.88,  -1.36,
11/18 19Z,   0.90,  10.01,  99.90,   9.55,  -1.36,
11/18 20Z,   0.80,  11.14,  99.90,  10.58,  -1.36,
11/18 21Z,   0.90,  11.24,  99.90,  10.78,  -1.36,  (max)
11/18 22Z,   1.10,  10.25,  99.90,   9.99,  -1.36,
11/18 23Z,   1.00,   8.29,  99.90,   7.93,  -1.36,
11/19 00Z,   0.90,   5.72,  99.90,   5.26,  -1.36,
11/19 01Z,   0.90,   3.09,  99.90,   2.63,  -1.36,
11/19 02Z,   1.00,   1.01,  99.90,   0.65,  -1.36,
11/19 03Z,   1.00,  -0.04,  99.90,  -0.40,  -1.36,  (min)
11/19 04Z,   0.90,   0.10,  99.90,  -0.36,  -1.36,
11/19 05Z,   0.90,   1.36,  99.90,   0.91,  -1.36,
11/19 06Z,   1.00,   3.43,  99.90,   3.07,  -1.36,
11/19 07Z,   1.10,   5.75,  99.90,   5.49,  -1.36,
11/19 08Z,   1.00,   7.71,  99.90,   7.35,  -1.36,
11/19 09Z,   0.90,   8.89,  99.90,   8.44,  -1.36,
11/19 10Z,   0.90,   9.13,  99.90,   8.67,  -1.36,  (max)
11/19 11Z,   0.90,   8.46,  99.90,   8.00,  -1.36,
11/19 12Z,   0.90,   7.09,  99.90,   6.63,  -1.36,
11/19 13Z,   0.70,   5.46,  99.90,   4.80,  -1.36,
11/19 14Z,   0.70,   4.13,  99.90,   3.47,  -1.36,
11/19 15Z,   0.90,   3.58,  99.90,   3.12,  -1.36,  (min)
11/19 16Z,   0.80,   4.01,  99.90,   3.45,  -1.36,
11/19 17Z,   0.80,   5.35,  99.90,   4.79,  -1.36,
11/19 18Z,   1.00,   7.29,  99.90,   6.93,  -1.36,
11/19 19Z,   1.10,   9.35,  99.90,   9.09,  -1.36,
11/19 20Z,   1.10,  10.92,  99.90,  10.66,  -1.36,
11/19 21Z,   1.20,  11.54,  99.90,  11.38,  -1.36,  (max)
11/19 22Z,   1.40,  11.04,  99.90,  11.08,  -1.36,
11/19 23Z,   1.50,   9.47,  99.90,   9.61,  -1.36,
11/20 00Z,   1.50,   7.09,  99.90,   7.23,  -1.36,
11/20 01Z,   1.50,   4.32,  99.90,   4.46,  -1.36,
11/20 02Z,   1.60,   1.79,  99.90,   2.03,  -1.36,
11/20 03Z,   1.70,   0.08,  99.90,   0.42,  -1.36,
11/20 04Z,   1.70,  -0.44,  99.90,  -0.10,  -1.36,  (min)
11/20 05Z,   1.80,   0.28,  99.90,   0.72,  -1.36,
11/20 06Z,   1.70,   2.02,  99.90,   2.36,  -1.36,
11/20 07Z,   1.90,   4.34,  99.90,   4.88,  -1.36,
11/20 08Z,   1.80,   6.65,  99.90,   7.09,  -1.36,
11/20 09Z,   2.00,   8.37,  99.90,   9.02,  -1.36,
11/20 10Z,   1.90,   9.19,  99.90,   9.73,  -1.36,  (max)
11/20 11Z,   2.00,   9.04,  99.90,   9.68,  -1.36,
11/20 12Z,   1.90,   8.06,  99.90,   8.60,  -1.36,
11/20 13Z,   1.80,   6.55,  99.90,   7.00,  -1.36,
11/20 14Z,   1.90,   5.02,  99.90,   5.56,  -1.36,
11/20 15Z,   1.70,   4.01,  99.90,   4.35,  -1.36,
11/20 16Z,   1.80,   3.91,  99.90,   4.35,  -1.36,  (min)
11/20 17Z,   1.90,   4.78,  99.90,   5.32,  -1.36,
11/20 18Z,   1.90,   6.44,  99.90,   6.98,  -1.36,
11/20 19Z,  99.90,   8.47,  99.90,  99.90,  -1.36,
11/20 20Z,  99.90,  10.33,  99.90,  99.90,  -1.36,
11/20 21Z,  99.90,  11.46,  99.90,  99.90,  -1.36,
11/20 22Z,  99.90,  11.51,  99.90,  99.90,  -1.36,
11/20 23Z,  99.90,  10.43,  99.90,  99.90,  -1.36,
11/21 00Z,  99.90,   8.40,  99.90,  99.90,  -1.36,